the mausoleum of yasir arafat as the current president abbas addresses the united nations. i will be examining whether the palestinians are any closer to achieving their dream of a state. that is a report here on bbc world news on the west bank. >> in austria, the hills are alive with people learning to yodel. the hiking trail recently opened in the west of the country with audio recordings and signs. >> if you have always wanted secretly yodel but were to the bears to let loose tri a high. a new trail in tirol offers tips and lessons. to thousand feet above sea level. >> you can do it on your own -- in pairs or in a group. on top of that, you can enjoy a heights against this incredible background and with this piece of you. i personally always find it easier to yodel -- these cries of joy, when i am up in the mountains. >> along the trail, signs and posts with audio recordings of yodelling. you press the button and sing- along. >> it is liberating, it it opens the soul. it is great, just great. it does the heart and soul a world of good. >> yodeling was originally used by -- shepherd's callin